Edit File: _set-proto.js
// Works with __proto__ only. Old v8 can't work with null proto objects. /* eslint-disable no-proto */ var isObject = require('./_is-object'); var anObject = require('./_an-object'); var check = function (O, proto) { anObject(O); if (!isObject(proto) && proto !== null) throw TypeError(proto + ": can't set as prototype!"); }; module.exports = { set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line function (test, buggy, set) { try { set = require('./_ctx')(Function.call, require('./_object-gopd').f(Object.prototype, '__proto__').set, 2); set(test, []); buggy = !(test instanceof Array); } catch (e) { buggy = true; } return function setPrototypeOf(O, proto) { check(O, proto); if (buggy) O.__proto__ = proto; else set(O, proto); return O; }; }({}, false) : undefined), check: check };
Back to File Manager